12 Incredible Limits Humans Can Reach (But You Probably Can’t)

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​That’s deep, man. Really deep.

If you’ve ever strapped on some fins and a SCUBA tank, you know recreational divers aren’t supposed to go deeper than 130 feet because bad things can happen. Sharks are the least of your worries. It’s more about the little things, like bubbles forming in your blood. Professional daredevils have gone much further, though. Last year the record was set when a diver plunged 1,090 feet below the surface of the Red Sea. It took 14 hours to resurface, because coming up too quickly would have killed him.